21111+3618 HO 283 AB (HD 201819)
21h 11m 03.77s +36° 17' 58.5" P.A. 211.00 sep 20.8 mag 6.54,12.10 Sp B1Vp dist. 1149.43 pc (3749.44 l.y.)
| Coord 2000 |
21111+3618 |
|
Discov num |
HO 283 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 11 03.77 +36 17 58.5 |
|
| Date first |
1887 |
|
Date last |
2002 |
|
Obs |
7 |
|
| Pa first |
211 |
|
Pa last |
211.4 |
|
P.A. Now (θ) |
211.4° |
|
| Sep first |
22.2 |
|
Sep last |
20.765 |
|
Sep. Now (ρ) |
20.765" |
|
| Mag pri |
6.54 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
5.56 |
|
Spectral class |
B1Vp (blue-white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+002 |
|
| Notes |
N
(See Notes) |
|
rPM=0.791
Nature of this double is uncertain.
21111+3618 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
71032 |
21 11 04 +36 17 58 |
HO 283 Aa,Ab |
1884 |
1 |
178 |
0.8 |
6.54 |
12.00 |
5.46 |
|
|
| Show |
HD 201819 |
71032 |
21 11 04 +36 17 58 |
HO 283 AB |
2002 |
7 |
211 |
20.8 |
6.54 |
12.10 |
5.56 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 201819 |
|
Constellation |
Cygnus |
|
SAO |
71032 |
|
HIP |
104579 |
|
| Tycho2 |
2714-02878-1 |
|
Gaia DR2 |
1868464984572520448 |
|
HD |
201819 |
|
HR |
8105 |
|
| GC |
29616 |
|
ADS |
14724 |
|
BD |
BD+35 4426 |
|
Distance |
1149.43 |
|
| Distance ly |
3749.44 |
|
